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**Unit 1 Solving Linear Systems by Graphing**

Learning Goals: I can solve a linear system by graphing and check my solution by substitution

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**Warm-Up: Graph of the Day**

What is the solution to this linear system? Use the graph to determine the equation for each line in y= mx + b form. Label graphs ‘a’ and ‘b’

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**Solving Linear Systems by Graphing**

Recall: There are 3 ways to graph a line Table of values Intercepts Slope and y-intercept

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**Example 1 – Table of Values**

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Example 2 – Intercepts

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**Example 3 – Slope and y-intercept**

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Homework Pg # 1-9 (a,d), 11, 12 Quiz #1 on Wednesday (Solving Linear Systems by Graphing)

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Use Linear Equations in Slope Intercept Form. Given a Slope and Coordinate Define the variables we know – m, (x, y) Substitute into slope intercept form.

Use Linear Equations in Slope Intercept Form. Given a Slope and Coordinate Define the variables we know – m, (x, y) Substitute into slope intercept form.

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